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308070105 = 35724110223
BaseRepresentation
bin10010010111001…
…100011011011001
3210110200120201220
4102113030123121
51112331220410
650323002253
710430360400
oct2227143331
9713616656
10308070105
111489966a2
1287209389
134ba95105
142ccb4637
151c0a5070
hex125cc6d9

308070105 has 48 divisors (see below), whose sum is σ = 587430144. Its totient is φ = 137383680.

The previous prime is 308070097. The next prime is 308070127. The reversal of 308070105 is 501070803.

It is not a de Polignac number, because 308070105 - 23 = 308070097 is a prime.

It is a super-2 number, since 2×3080701052 = 189814379189422050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25024 + ... + 35246.

It is an arithmetic number, because the mean of its divisors is an integer number (12238128).

Almost surely, 2308070105 is an apocalyptic number.

308070105 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

308070105 is a deficient number, since it is larger than the sum of its proper divisors (279360039).

308070105 is a wasteful number, since it uses less digits than its factorization.

308070105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10286 (or 10279 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 308070105 is about 17551.9259626971. The cubic root of 308070105 is about 675.3825759898.

The spelling of 308070105 in words is "three hundred eight million, seventy thousand, one hundred five".

Divisors: 1 3 5 7 15 21 35 41 49 105 123 147 205 245 287 615 735 861 1435 2009 4305 6027 10045 10223 30135 30669 51115 71561 153345 214683 357805 419143 500927 1073415 1257429 1502781 2095715 2504635 2934001 6287145 7513905 8802003 14670005 20538007 44010015 61614021 102690035 308070105